I think the "tube" business concerns what you see a you approach the speed of light. All the light/future events are in front of you, and you see nothing if you

I think the "tube" business concerns what you see a you approach the speed of light. All the light/future events are in front of you, and you see nothing if you stand on the stern of your ship. I'm not sure how that relates to falling into a BH, bit I don't know; there's a lot of this that I'm struggling to understand. I'm not a physicist, and not clever, just very interested.